The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.

Shop by Vehicle

Enter your vehicle info so we can recommend the right products for you.

Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.

Price Range

Thoroughbred Diesel is your source for Bully Dog performance. Bully Dog Technologies is well known to the diesel truck enthusiasts who crave more performance for their pickup. The Bully Dog GTX, BDX Performance Programmer, GT Platinum diesel tuners are some of the more popular programmer chips available from Bully Dog Technologies. Also, do not forget about the RFI cold air intake.

Browse below at all of the Bully Dog performance products we offer below for your diesel or gas truck. We can get a complete line of Bully Dog products so if you do not see it below it is coming soon. To get a price on a Bully Dog products that is not yet listed on ThoroughbredDiesel.com stop clicking and give us a call at 1-866-737-4966.

Make your ride a BULLY. An industry leader in developing full-featured aftermarket enhancements for a number of vehicle applications.

Each Bully Dog product is built to ensure that it consistently meets and exceeds expectations, yours and ours. Each product goes through an in-depth research and development process (R&D) followed by a grueling development procedure that is carried out by a staff of the best engineers in the world. Once designed, each product is put through months of real-world testing. This testing is performed across the United States so that Bully Dog can be sure that each product works correctly and flawlessly in various elevations, weather conditions and driving situations from towing a heavy load to racing down the track.